Question

Solution

Correct option is

5 or 10

Let nB and nA ∩ B denote the number outcomes favorable to B and A ∩ Brespectively.

As A and B are independent.

P(A ∩ B) = P(AP(B)  ⇒ nB = 5 or 10.             [âˆµ 1 ≤ nB ≤ 10.]

SIMILAR QUESTIONS

Q1

A group of 2n boys and 2n girls is randomly divided into two equal groups. The probability that each group contains the same number of boys and girls is

Q2

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Q3

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Q4

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Q5

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Q6

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Q7

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Q8

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Q9

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Q10

If AB and C are the events such that P(B) = 3/4, P(A ∩ B ∩ C’) = 1/3P(A’ ∩ B ∩ C’) = 1/3, then P (B ∩ C) is equal to